187204540

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{8923}}^1$

素因数の和:9981

約数の個数: 24

約数和(自身を含む): 393548400

約数和(自身を除く): 206343860

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 4196, 5245, 8923, 10490, 17846, 20980, 35692, 44615, 89230, 178460, 9360227, 18720454, 37440908, 46801135, 93602270, 187204540]

約数ペア:

[(1, 187204540), (2, 93602270), (4, 46801135), (5, 37440908), (10, 18720454), (20, 9360227), (1049, 178460), (2098, 89230), (4196, 44615), (5245, 35692), (8923, 20980), (10490, 17846)]